diff --git a/browser/components/urlbar/UrlbarTokenizer.sys.mjs b/browser/components/urlbar/UrlbarTokenizer.sys.mjs
index d4af0ee5138a69139b94d898fb07e2345172f025..f750aae3f9f0a849ca009784510575b2b7119e6d 100644
--- a/browser/components/urlbar/UrlbarTokenizer.sys.mjs
+++ b/browser/components/urlbar/UrlbarTokenizer.sys.mjs
@@ -66,6 +66,7 @@ export var UrlbarTokenizer = {
     // `looksLikeOrigin()` returned `LOOKS_LIKE_ORIGIN.OTHER` for this token. It
     // may or may not be an origin.
     POSSIBLE_ORIGIN_BUT_SEARCH_ALLOWED: 12,
+    RESTRICT_WORKSPACE: 13,
   }),
 
   // The special characters below can be typed into the urlbar to restrict
@@ -83,6 +84,7 @@ export var UrlbarTokenizer = {
     TITLE: "#",
     URL: "$",
     ACTION: ">",
+    WORKSPACE: "`",
   }),
 
   // The keys of characters in RESTRICT that will enter search mode.
@@ -97,6 +99,7 @@ export var UrlbarTokenizer = {
     if (lazy.UrlbarPrefs.get("scotchBonnet.enableOverride")) {
       keys.push(this.RESTRICT.ACTION);
     }
+    keys.push(this.RESTRICT.WORKSPACE);
     return new Set(keys);
   },